I-287 Southbound over Ross Brook
GoodSomerset County, New Jersey · 1.8 MI N of US 22 JCT · Structure no. 1813158
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 42,178
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-287 Southbound over Ross Brook is a concrete culvert carrying I-287 Southbound over Ross Brook in Somerset County, New Jersey. It was built in 1963, so it is 62 years old, older than the New Jersey average of 58.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 42,178 vehicles a day, roughly 9% of them trucks, projected to reach 62,845 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-287 Southbound over Ross Brook built?
It was built in 1963, making it 62 years old in 2025.
What condition is I-287 Southbound over Ross Brook in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does I-287 Southbound over Ross Brook carry?
About 42,178 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-287 Southbound over Ross Brook?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns I-287 Southbound over Ross Brook?
It is owned by the State Highway Agency.